void UpdateSwimming()
{
IgnorePlatforms = true;
Vector2 footPos, handPos;
float surfaceLimiter = 1.0f;
Limb head = GetLimb(LimbType.Head);
Limb torso = GetLimb(LimbType.Torso);
if (currentHull != null && (currentHull.Rect.Y - currentHull.Surface > 50.0f))
{
surfaceLimiter = (ConvertUnits.ToDisplayUnits(Collider.SimPosition.Y + 0.4f) - surfaceY);
surfaceLimiter = Math.Max(1.0f, surfaceLimiter);
if (surfaceLimiter > 50.0f)
{
return;
}
}
Limb leftHand = GetLimb(LimbType.LeftHand);
Limb rightHand = GetLimb(LimbType.RightHand);
Limb leftFoot = GetLimb(LimbType.LeftFoot);
Limb rightFoot = GetLimb(LimbType.RightFoot);
float rotation = MathHelper.WrapAngle(Collider.Rotation);
rotation = MathHelper.ToDegrees(rotation);
if (rotation < 0.0f)
{
rotation += 360;
}
if (!character.IsRemotePlayer && !aiming && Anim != Animation.UsingConstruction)
{
if (rotation > 20 && rotation < 170)
{
TargetDir = Direction.Left;
}
else if (rotation > 190 && rotation < 340)
{
TargetDir = Direction.Right;
}
}
float targetSpeed = TargetMovement.Length();
if (targetSpeed > 0.1f)
{
if (!aiming)
{
float newRotation = MathUtils.VectorToAngle(TargetMovement) - MathHelper.PiOver2;
Collider.SmoothRotate(newRotation, 5.0f);
//torso.body.SmoothRotate(newRotation);
}
}
else
{
if (aiming)
{
Vector2 mousePos = ConvertUnits.ToSimUnits(character.CursorPosition);
Vector2 diff = (mousePos - torso.SimPosition) * Dir;
TargetMovement = new Vector2(0.0f, -0.1f);
float newRotation = MathUtils.VectorToAngle(diff);
Collider.SmoothRotate(newRotation, 5.0f);
}
}
torso.body.SmoothRotate(Collider.Rotation);
torso.body.MoveToPos(Collider.SimPosition + new Vector2((float)Math.Sin(-Collider.Rotation), (float)Math.Cos(-Collider.Rotation)) * 0.4f, 5.0f);
if (TargetMovement == Vector2.Zero)
{
return;
}
movement = MathUtils.SmoothStep(movement, TargetMovement, 0.3f);
//dont try to move upwards if head is already out of water
if (surfaceLimiter > 1.0f && TargetMovement.Y > 0.0f)
{
if (TargetMovement.X == 0.0f)
{
//pull head above water
head.body.SmoothRotate(0.0f, 5.0f);
walkPos += 0.05f;
}
else
{
TargetMovement = new Vector2(
(float)Math.Sqrt(targetSpeed * targetSpeed - TargetMovement.Y * TargetMovement.Y)
* Math.Sign(TargetMovement.X),
Math.Max(TargetMovement.Y, TargetMovement.Y * 0.2f));
//turn head above the water
head.body.ApplyTorque(Dir);
}
movement.Y = movement.Y - (surfaceLimiter - 1.0f) * 0.01f;
}
if (!character.IsRemotePlayer || GameMain.Server != null)
{
Collider.LinearVelocity = Vector2.Lerp(Collider.LinearVelocity, movement * swimSpeed, movementLerp);
}
walkPos += movement.Length() * 0.2f;
footPos = Collider.SimPosition - new Vector2((float)Math.Sin(-Collider.Rotation), (float)Math.Cos(-Collider.Rotation)) * 0.4f;
for (int i = -1; i < 2; i += 2)
{
var thigh = i == -1 ? GetLimb(LimbType.LeftThigh) : GetLimb(LimbType.RightThigh);
var leg = i == -1 ? GetLimb(LimbType.LeftLeg) : GetLimb(LimbType.RightLeg);
float thighDiff = Math.Abs(MathUtils.GetShortestAngle(torso.Rotation, thigh.Rotation));
if (thighDiff > MathHelper.PiOver2)
{
//thigh bent too close to the torso -> force the leg to extend
float thighTorque = thighDiff * thigh.Mass * Math.Sign(torso.Rotation - thigh.Rotation) * 10.0f;
thigh.body.ApplyTorque(thighTorque);
leg.body.ApplyTorque(thighTorque);
}
else
{
thigh.body.SmoothRotate(torso.Rotation + (float)Math.Sin(walkPos) * i * 0.3f, 2.0f);
}
}
Vector2 transformedFootPos = new Vector2((float)Math.Sin(walkPos) * 0.5f, 0.0f);
transformedFootPos = Vector2.Transform(
transformedFootPos,
Matrix.CreateRotationZ(Collider.Rotation));
MoveLimb(rightFoot, footPos - transformedFootPos, 1.0f);
MoveLimb(leftFoot, footPos + transformedFootPos, 1.0f);
handPos = (torso.SimPosition + head.SimPosition) / 2.0f;
//at the surface, not moving sideways -> hands just float around
if (!headInWater && TargetMovement.X == 0.0f && TargetMovement.Y > 0)
{
handPos.X = handPos.X + Dir * 0.6f;
float wobbleAmount = 0.1f;
if (!rightHand.Disabled)
{
MoveLimb(rightHand, new Vector2(
handPos.X + (float)Math.Sin(walkPos / 1.5f) * wobbleAmount,
handPos.Y + (float)Math.Sin(walkPos / 3.5f) * wobbleAmount - 0.25f), 1.5f);
}
if (!leftHand.Disabled)
{
MoveLimb(leftHand, new Vector2(
handPos.X + (float)Math.Sin(walkPos / 2.0f) * wobbleAmount,
handPos.Y + (float)Math.Sin(walkPos / 3.0f) * wobbleAmount - 0.25f), 1.5f);
}
return;
}
handPos += head.LinearVelocity * 0.1f;
float handCyclePos = walkPos / 2.0f * -Dir;
float handPosX = (float)Math.Cos(handCyclePos) * 0.4f;
float handPosY = (float)Math.Sin(handCyclePos) * 1.0f;
handPosY = MathHelper.Clamp(handPosY, -0.8f, 0.8f);
Matrix rotationMatrix = Matrix.CreateRotationZ(torso.Rotation);
if (!rightHand.Disabled)
{
Vector2 rightHandPos = new Vector2(-handPosX, -handPosY);
rightHandPos.X = (Dir == 1.0f) ? Math.Max(0.3f, rightHandPos.X) : Math.Min(-0.3f, rightHandPos.X);
rightHandPos = Vector2.Transform(rightHandPos, rotationMatrix);
HandIK(rightHand, handPos + rightHandPos, 0.5f);
}
if (!leftHand.Disabled)
{
Vector2 leftHandPos = new Vector2(handPosX, handPosY);
leftHandPos.X = (Dir == 1.0f) ? Math.Max(0.3f, leftHandPos.X) : Math.Min(-0.3f, leftHandPos.X);
leftHandPos = Vector2.Transform(leftHandPos, rotationMatrix);
HandIK(leftHand, handPos + leftHandPos, 0.5f);
}
}
void UpdateStanding()
{
Vector2 handPos;
//if you're allergic to magic numbers, stop reading now
Limb leftFoot = GetLimb(LimbType.LeftFoot);
Limb rightFoot = GetLimb(LimbType.RightFoot);
Limb head = GetLimb(LimbType.Head);
Limb torso = GetLimb(LimbType.Torso);
Limb waist = GetLimb(LimbType.Waist);
Limb leftHand = GetLimb(LimbType.LeftHand);
Limb rightHand = GetLimb(LimbType.RightHand);
Limb leftLeg = GetLimb(LimbType.LeftLeg);
Limb rightLeg = GetLimb(LimbType.RightLeg);
float getUpSpeed = 0.3f;
float walkCycleSpeed = movement.X * walkAnimSpeed;
if (stairs != null)
{
TargetMovement = new Vector2(MathHelper.Clamp(TargetMovement.X, -1.5f, 1.5f), TargetMovement.Y);
/*if ((TargetMovement.X > 0.0f && stairs.StairDirection == Direction.Right) ||
* TargetMovement.X < 0.0f && stairs.StairDirection == Direction.Left)
* {
* TargetMovement *= 1.7f;
* //walkCycleSpeed *= 1.0f;
* }*/
}
Vector2 colliderPos = GetColliderBottom();
if (Math.Abs(TargetMovement.X) > 1.0f)
{
float slowdownAmount = 0.0f;
if (currentHull != null)
{
//full slowdown (1.5f) when water is up to the torso
surfaceY = ConvertUnits.ToSimUnits(currentHull.Surface);
slowdownAmount = MathHelper.Clamp((surfaceY - colliderPos.Y) / torsoPosition, 0.0f, 1.0f) * 1.5f;
}
float maxSpeed = Math.Max(TargetMovement.Length() - slowdownAmount, 1.0f);
TargetMovement = Vector2.Normalize(TargetMovement) * maxSpeed;
}
float walkPosX = (float)Math.Cos(walkPos);
float walkPosY = (float)Math.Sin(walkPos);
float runningModifier = (float)Math.Max(Math.Min(Math.Abs(TargetMovement.X), 3.0f) / 1.5f, 1.0);
Vector2 stepSize = new Vector2(
this.stepSize.X * walkPosX * runningModifier,
this.stepSize.Y * walkPosY * runningModifier * runningModifier);
if (Crouching)
{
stepSize *= 0.5f;
}
float footMid = colliderPos.X;// (leftFoot.SimPosition.X + rightFoot.SimPosition.X) / 2.0f;
movement = overrideTargetMovement == Vector2.Zero ?
MathUtils.SmoothStep(movement, TargetMovement * walkSpeed, movementLerp) :
overrideTargetMovement;
if (Math.Abs(movement.X) < 0.005f)
{
movement.X = 0.0f;
}
movement.Y = 0.0f;
for (int i = 0; i < 2; i++)
{
Limb leg = GetLimb((i == 0) ? LimbType.LeftThigh : LimbType.RightThigh);// : leftLeg;
float shortestAngle = leg.Rotation - torso.Rotation;
if (Math.Abs(shortestAngle) < 2.5f)
{
continue;
}
if (Math.Abs(shortestAngle) > 5.0f)
{
TargetDir = TargetDir == Direction.Right ? Direction.Left : Direction.Right;
}
else
{
leg.body.ApplyTorque(shortestAngle * 10.0f);
leg = GetLimb((i == 0) ? LimbType.LeftLeg : LimbType.RightLeg);
leg.body.ApplyTorque(-shortestAngle * 10.0f);
}
}
if (onGround && (!character.IsRemotePlayer || GameMain.Server != null))
{
//move slower if collider isn't upright
float rotationFactor = (float)Math.Abs(Math.Cos(Collider.Rotation));
Collider.LinearVelocity = new Vector2(
movement.X * rotationFactor,
Collider.LinearVelocity.Y > 0.0f ? Collider.LinearVelocity.Y * 0.5f : Collider.LinearVelocity.Y);
}
getUpSpeed = getUpSpeed * Math.Max(head.SimPosition.Y - colliderPos.Y, 0.5f);
torso.pullJoint.Enabled = true;
head.pullJoint.Enabled = true;
waist.pullJoint.Enabled = true;
float floorPos = GetFloorY(colliderPos + new Vector2(Math.Sign(movement.X) * 0.5f, 1.0f));
bool onSlope = floorPos > GetColliderBottom().Y + 0.05f;
if (stairs != null || onSlope)
{
torso.pullJoint.WorldAnchorB = new Vector2(
MathHelper.SmoothStep(torso.SimPosition.X, footMid + movement.X * 0.25f, getUpSpeed * 0.8f),
MathHelper.SmoothStep(torso.SimPosition.Y, colliderPos.Y + TorsoPosition - Math.Abs(walkPosX * 0.05f), getUpSpeed * 2.0f));
head.pullJoint.WorldAnchorB = new Vector2(
MathHelper.SmoothStep(head.SimPosition.X, footMid + movement.X * (Crouching ? 0.6f : 0.25f), getUpSpeed * 0.8f),
MathHelper.SmoothStep(head.SimPosition.Y, colliderPos.Y + HeadPosition - Math.Abs(walkPosX * 0.05f), getUpSpeed * 2.0f));
waist.pullJoint.WorldAnchorB = waist.SimPosition;// +movement * 0.3f;
}
else
{
if (!onGround)
{
movement = Vector2.Zero;
}
torso.pullJoint.WorldAnchorB =
MathUtils.SmoothStep(torso.SimPosition,
new Vector2(footMid + movement.X * 0.2f, colliderPos.Y + TorsoPosition), getUpSpeed);
head.pullJoint.WorldAnchorB =
MathUtils.SmoothStep(head.SimPosition,
new Vector2(footMid + movement.X * (Crouching && Math.Sign(movement.X) == Math.Sign(Dir) ? 0.6f : 0.2f), colliderPos.Y + HeadPosition), getUpSpeed * 1.2f);
waist.pullJoint.WorldAnchorB = waist.SimPosition + movement * 0.06f;
}
if (!onGround)
{
Vector2 move = torso.pullJoint.WorldAnchorB - torso.SimPosition;
foreach (Limb limb in Limbs)
{
MoveLimb(limb, limb.SimPosition + move, 15.0f, true);
}
return;
}
//moving horizontally
if (TargetMovement.X != 0.0f)
{
//progress the walking animation
walkPos -= (walkCycleSpeed / runningModifier) * 0.8f;
for (int i = -1; i < 2; i += 2)
{
Limb foot = i == -1 ? leftFoot : rightFoot;
Limb leg = i == -1 ? leftLeg : rightLeg;
Vector2 footPos = stepSize * -i;
if (stepSize.Y < 0.0f)
{
stepSize.Y = -0.15f;
}
if (onSlope && stairs == null)
{
footPos.Y *= 2.0f;
}
footPos.Y = Math.Min(waist.SimPosition.Y - colliderPos.Y - 0.4f, footPos.Y);
MoveLimb(foot, footPos + colliderPos, 15.0f, true);
foot.body.SmoothRotate(leg.body.Rotation + MathHelper.PiOver2 * Dir * 1.6f, 20.0f * runningModifier);
}
if (runningModifier > 1.0f)
{
if (walkPosY > 0.0f)
{
GetLimb(LimbType.LeftThigh).body.ApplyTorque(-walkPosY * Dir * Math.Abs(movement.X) * thighTorque);
}
else
{
GetLimb(LimbType.RightThigh).body.ApplyTorque(walkPosY * Dir * Math.Abs(movement.X) * thighTorque);
}
}
if (legTorque > 0.0f)
{
if (Math.Sign(walkPosX) != Math.Sign(movement.X))
{
GetLimb(LimbType.LeftLeg).body.ApplyTorque(-walkPosY * Dir * Math.Abs(movement.X) * legTorque / runningModifier);
}
else
{
GetLimb(LimbType.RightLeg).body.ApplyTorque(walkPosY * Dir * Math.Abs(movement.X) * legTorque / runningModifier);
}
}
//calculate the positions of hands
handPos = torso.SimPosition;
handPos.X = -walkPosX * 0.4f;
float lowerY = -1.0f + (runningModifier - 1.0f) * 0.8f;
handPos.Y = lowerY + (float)(Math.Abs(Math.Sin(walkPos - Math.PI * 1.5f) * 0.15 * runningModifier));
Vector2 posAddition = new Vector2(-movement.X * 0.015f * runningModifier, 0.0f);
if (!rightHand.Disabled)
{
HandIK(rightHand, torso.SimPosition + posAddition +
new Vector2(
-handPos.X,
(Math.Sign(walkPosX) == Math.Sign(Dir)) ? handPos.Y : lowerY), 0.7f * runningModifier);
}
if (!leftHand.Disabled)
{
HandIK(leftHand, torso.SimPosition + posAddition +
new Vector2(
handPos.X,
(Math.Sign(walkPosX) == Math.Sign(-Dir)) ? handPos.Y : lowerY), 0.7f * runningModifier);
}
}
else
{
//float movementFactor = (movement.X / 4.0f) * movement.X * Math.Sign(movement.X);
for (int i = -1; i < 2; i += 2)
{
Vector2 footPos = colliderPos;
if (Crouching)
{
footPos = new Vector2(
waist.SimPosition.X + Math.Sign(stepSize.X * i) * Dir * 0.3f,
colliderPos.Y - 0.1f);
}
else
{
footPos = new Vector2(GetCenterOfMass().X + stepSize.X * i * 0.2f, colliderPos.Y - 0.1f);
}
if (stairs == null)
{
footPos.Y = Math.Max(Math.Min(floorPos, footPos.Y + 0.5f), footPos.Y);
}
var foot = i == -1 ? rightFoot : leftFoot;
MoveLimb(foot, footPos, Math.Abs(foot.SimPosition.X - footPos.X) * 100.0f, true);
}
leftFoot.body.SmoothRotate(Dir * MathHelper.PiOver2, 50.0f);
rightFoot.body.SmoothRotate(Dir * MathHelper.PiOver2, 50.0f);
if (!rightHand.Disabled)
{
rightHand.body.SmoothRotate(0.0f, 5.0f);
var rightArm = GetLimb(LimbType.RightArm);
rightArm.body.SmoothRotate(0.0f, 20.0f);
}
if (!leftHand.Disabled)
{
leftHand.body.SmoothRotate(0.0f, 5.0f);
var leftArm = GetLimb(LimbType.LeftArm);
leftArm.body.SmoothRotate(0.0f, 20.0f);
}
}
}